Customization | You can’t view or change the offering’s code or metadata like Apex Class, Trigger, VF Page & Lightning Component, etc. | You can customize code and metadata if desired. |
Upgrades | The provider can automatically upgrade the offering. | To receive an upgrade message, you must uninstall the package from your org and then reinstall a new version from AppExchange. |
Org limits | The contents of the package don’t count against the app, tab, and object limits in your org. | The contents of the package count against the app, tab, and object limits in your org. |